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<h2><span class="refentrytitle"><a name="glib-Unicode-Manipulation.top_of_page"></a>Unicode Manipulation</span></h2>
<p>Unicode Manipulation — functions operating on Unicode characters and UTF-8 strings</p>
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<a name="glib-Unicode-Manipulation.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;glib.h&gt;

typedef             <a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar">gunichar</a>;
typedef             <a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2">gunichar2</a>;

<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-validate" title="g_unichar_validate ()">g_unichar_validate</a>                  (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isalnum" title="g_unichar_isalnum ()">g_unichar_isalnum</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isalpha" title="g_unichar_isalpha ()">g_unichar_isalpha</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iscntrl" title="g_unichar_iscntrl ()">g_unichar_iscntrl</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isdefined" title="g_unichar_isdefined ()">g_unichar_isdefined</a>                 (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isdigit" title="g_unichar_isdigit ()">g_unichar_isdigit</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isgraph" title="g_unichar_isgraph ()">g_unichar_isgraph</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-islower" title="g_unichar_islower ()">g_unichar_islower</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-ismark" title="g_unichar_ismark ()">g_unichar_ismark</a>                    (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isprint" title="g_unichar_isprint ()">g_unichar_isprint</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-ispunct" title="g_unichar_ispunct ()">g_unichar_ispunct</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isspace" title="g_unichar_isspace ()">g_unichar_isspace</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-istitle" title="g_unichar_istitle ()">g_unichar_istitle</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isupper" title="g_unichar_isupper ()">g_unichar_isupper</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isxdigit" title="g_unichar_isxdigit ()">g_unichar_isxdigit</a>                  (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iswide" title="g_unichar_iswide ()">g_unichar_iswide</a>                    (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iswide-cjk" title="g_unichar_iswide_cjk ()">g_unichar_iswide_cjk</a>                (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iszerowidth" title="g_unichar_iszerowidth ()">g_unichar_iszerowidth</a>               (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-toupper" title="g_unichar_toupper ()">g_unichar_toupper</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-tolower" title="g_unichar_tolower ()">g_unichar_tolower</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-totitle" title="g_unichar_totitle ()">g_unichar_totitle</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-digit-value" title="g_unichar_digit_value ()">g_unichar_digit_value</a>               (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-xdigit-value" title="g_unichar_xdigit_value ()">g_unichar_xdigit_value</a>              (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
enum                <a class="link" href="glib-Unicode-Manipulation.html#GUnicodeType" title="enum GUnicodeType">GUnicodeType</a>;
<a class="link" href="glib-Unicode-Manipulation.html#GUnicodeType" title="enum GUnicodeType"><span class="returnvalue">GUnicodeType</span></a>        <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-type" title="g_unichar_type ()">g_unichar_type</a>                      (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
enum                <a class="link" href="glib-Unicode-Manipulation.html#GUnicodeBreakType" title="enum GUnicodeBreakType">GUnicodeBreakType</a>;
<a class="link" href="glib-Unicode-Manipulation.html#GUnicodeBreakType" title="enum GUnicodeBreakType"><span class="returnvalue">GUnicodeBreakType</span></a>   <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-break-type" title="g_unichar_break_type ()">g_unichar_break_type</a>                (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-combining-class" title="g_unichar_combining_class ()">g_unichar_combining_class</a>           (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> uc</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-Unicode-Manipulation.html#g-unicode-canonical-ordering" title="g_unicode_canonical_ordering ()">g_unicode_canonical_ordering</a>        (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *string</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gsize" title="gsize"><span class="type">gsize</span></a> len</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          <a class="link" href="glib-Unicode-Manipulation.html#g-unicode-canonical-decomposition" title="g_unicode_canonical_decomposition ()">g_unicode_canonical_decomposition</a>   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gsize" title="gsize"><span class="type">gsize</span></a> *result_len</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-get-mirror-char" title="g_unichar_get_mirror_char ()">g_unichar_get_mirror_char</a>           (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *mirrored_ch</code></em>);
enum                <a class="link" href="glib-Unicode-Manipulation.html#GUnicodeScript" title="enum GUnicodeScript">GUnicodeScript</a>;
<a class="link" href="glib-Unicode-Manipulation.html#GUnicodeScript" title="enum GUnicodeScript"><span class="returnvalue">GUnicodeScript</span></a>      <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-get-script" title="g_unichar_get_script ()">g_unichar_get_script</a>                (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>);

#define             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-next-char" title="g_utf8_next_char()">g_utf8_next_char</a>                    (p)
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()">g_utf8_get_char</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char-validated" title="g_utf8_get_char_validated ()">g_utf8_get_char_validated</a>           (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> max_len</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-offset-to-pointer" title="g_utf8_offset_to_pointer ()">g_utf8_offset_to_pointer</a>            (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> offset</code></em>);
<a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="returnvalue">glong</span></a>               <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-pointer-to-offset" title="g_utf8_pointer_to_offset ()">g_utf8_pointer_to_offset</a>            (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *pos</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-prev-char" title="g_utf8_prev_char ()">g_utf8_prev_char</a>                    (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-find-next-char" title="g_utf8_find_next_char ()">g_utf8_find_next_char</a>               (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *end</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-find-prev-char" title="g_utf8_find_prev_char ()">g_utf8_find_prev_char</a>               (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>);
<a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="returnvalue">glong</span></a>               <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strlen" title="g_utf8_strlen ()">g_utf8_strlen</a>                       (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> max</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strncpy" title="g_utf8_strncpy ()">g_utf8_strncpy</a>                      (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *dest</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *src</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gsize" title="gsize"><span class="type">gsize</span></a> n</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strchr" title="g_utf8_strchr ()">g_utf8_strchr</a>                       (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strrchr" title="g_utf8_strrchr ()">g_utf8_strrchr</a>                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strreverse" title="g_utf8_strreverse ()">g_utf8_strreverse</a>                   (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-validate" title="g_utf8_validate ()">g_utf8_validate</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> max_len</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> **end</code></em>);

<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strup" title="g_utf8_strup ()">g_utf8_strup</a>                        (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strdown" title="g_utf8_strdown ()">g_utf8_strdown</a>                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-casefold" title="g_utf8_casefold ()">g_utf8_casefold</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-normalize" title="g_utf8_normalize ()">g_utf8_normalize</a>                    (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#GNormalizeMode" title="enum GNormalizeMode"><span class="type">GNormalizeMode</span></a> mode</code></em>);
enum                <a class="link" href="glib-Unicode-Manipulation.html#GNormalizeMode" title="enum GNormalizeMode">GNormalizeMode</a>;
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-collate" title="g_utf8_collate ()">g_utf8_collate</a>                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str1</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str2</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-collate-key" title="g_utf8_collate_key ()">g_utf8_collate_key</a>                  (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-collate-key-for-filename" title="g_utf8_collate_key_for_filename ()">g_utf8_collate_key_for_filename</a>     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);

<a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="returnvalue">gunichar2</span></a> *         <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-to-utf16" title="g_utf8_to_utf16 ()">g_utf8_to_utf16</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-to-ucs4" title="g_utf8_to_ucs4 ()">g_utf8_to_ucs4</a>                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-to-ucs4-fast" title="g_utf8_to_ucs4_fast ()">g_utf8_to_ucs4_fast</a>                 (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          <a class="link" href="glib-Unicode-Manipulation.html#g-utf16-to-ucs4" title="g_utf16_to_ucs4 ()">g_utf16_to_ucs4</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="type">gunichar2</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-utf16-to-utf8" title="g_utf16_to_utf8 ()">g_utf16_to_utf8</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="type">gunichar2</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="returnvalue">gunichar2</span></a> *         <a class="link" href="glib-Unicode-Manipulation.html#g-ucs4-to-utf16" title="g_ucs4_to_utf16 ()">g_ucs4_to_utf16</a>                     (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              <a class="link" href="glib-Unicode-Manipulation.html#g-ucs4-to-utf8" title="g_ucs4_to_utf8 ()">g_ucs4_to_utf8</a>                      (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-to-utf8" title="g_unichar_to_utf8 ()">g_unichar_to_utf8</a>                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *outbuf</code></em>);
</pre>
</div>
<div class="refsect1" title="Description">
<a name="glib-Unicode-Manipulation.description"></a><h2>Description</h2>
<p>
This section describes a number of functions for dealing with
Unicode characters and strings.  There are analogues of the
traditional <code class="filename">ctype.h</code> character classification
and case conversion functions, UTF-8 analogues of some string utility
functions, functions to perform normalization, case conversion and
collation on UTF-8 strings and finally functions to convert between
the UTF-8, UTF-16 and UCS-4 encodings of Unicode.
</p>
<p>
The implementations of the Unicode functions in GLib are based
on the Unicode Character Data tables, which are available from
<a class="ulink" href="http://www.unicode.org/" target="_top">www.unicode.org</a>.
GLib 2.8 supports Unicode 4.0, GLib 2.10 supports Unicode 4.1,
GLib 2.12 supports Unicode 5.0, GLib 2.16.3 supports Unicode 5.1.
</p>
</div>
<div class="refsect1" title="Details">
<a name="glib-Unicode-Manipulation.details"></a><h2>Details</h2>
<div class="refsect2" title="gunichar">
<a name="gunichar"></a><h3>gunichar</h3>
<pre class="programlisting">typedef guint32 gunichar;
</pre>
<p>
A type which can hold any UTF-32 or UCS-4 character code, also known
as a Unicode code point.
</p>
<p>
If you want to produce the UTF-8 representation of a <a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a>,
use <a class="link" href="glib-Unicode-Manipulation.html#g-ucs4-to-utf8" title="g_ucs4_to_utf8 ()"><code class="function">g_ucs4_to_utf8()</code></a>. See also <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-to-ucs4" title="g_utf8_to_ucs4 ()"><code class="function">g_utf8_to_ucs4()</code></a> for the reverse process.
</p>
<p>
To print/scan values of this type as integer, use
<a class="link" href="glib-Miscellaneous-Macros.html#G-GINT32-MODIFIER:CAPS" title="G_GINT32_MODIFIER"><code class="literal">G_GINT32_MODIFIER</code></a> and/or <a class="link" href="glib-Miscellaneous-Macros.html#G-GUINT32-FORMAT:CAPS" title="G_GUINT32_FORMAT"><code class="literal">G_GUINT32_FORMAT</code></a>.
</p>
<p>
The notation to express a Unicode code point in running text is as a
hexadecimal number with four to six digits and uppercase letters, prefixed
by the string "U+".  Leading zeros are omitted, unless the code point would
have fewer than four hexadecimal digits.
For example, "U+0041 LATIN CAPITAL LETTER A".
To print a code point in the U+-notation, use the format string
"U+<code class="literal">04</code>"G_GINT32_FORMAT"X".
To scan, use the format string "U+<code class="literal">06</code>"G_GINT32_FORMAT"X".
</p>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2
3</pre></td>
        <td class="listing_code"><pre class="programlisting"><span class="usertype">gunichar</span><span class="normal"> c</span><span class="symbol">;</span>
<span class="function">sscanf</span><span class="normal"> </span><span class="symbol">(</span><span class="string">"U+0041"</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"U+%06"</span><span class="normal"><a href="glib-Miscellaneous-Macros.html#G-GINT32-FORMAT:CAPS">G_GINT32_FORMAT</a></span><span class="string">"X"</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&amp;</span><span class="normal">c</span><span class="symbol">)</span>
<span class="function"><a href="glib-Warnings-and-Assertions.html#g-print">g_print</a></span><span class="normal"> </span><span class="symbol">(</span><span class="string">"Read U+%04"</span><span class="normal"><a href="glib-Miscellaneous-Macros.html#G-GINT32-FORMAT:CAPS">G_GINT32_FORMAT</a></span><span class="string">"X"</span><span class="symbol">,</span><span class="normal"> c</span><span class="symbol">);</span></pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p>
</p>
</div>
<hr>
<div class="refsect2" title="gunichar2">
<a name="gunichar2"></a><h3>gunichar2</h3>
<pre class="programlisting">typedef guint16 gunichar2;
</pre>
<p>
A type which can hold any UTF-16 code
point<sup>[<a name="utf16_surrogate_pairs" href="#ftn.utf16_surrogate_pairs" class="footnote">3</a>]</sup>.
</p>
<p>
To print/scan values of this type to/from text you need to convert
to/from UTF-8, using <a class="link" href="glib-Unicode-Manipulation.html#g-utf16-to-utf8" title="g_utf16_to_utf8 ()"><code class="function">g_utf16_to_utf8()</code></a>/<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-to-utf16" title="g_utf8_to_utf16 ()"><code class="function">g_utf8_to_utf16()</code></a>.
</p>
<p>
To print/scan values of this type as integer, use
<a class="link" href="glib-Miscellaneous-Macros.html#G-GINT16-MODIFIER:CAPS" title="G_GINT16_MODIFIER"><code class="literal">G_GINT16_MODIFIER</code></a> and/or <a class="link" href="glib-Miscellaneous-Macros.html#G-GUINT16-FORMAT:CAPS" title="G_GUINT16_FORMAT"><code class="literal">G_GUINT16_FORMAT</code></a>.
</p>
</div>
<hr>
<div class="refsect2" title="g_unichar_validate ()">
<a name="g-unichar-validate"></a><h3>g_unichar_validate ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_validate                  (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>);</pre>
<p>
Checks whether <em class="parameter"><code>ch</code></em> is a valid Unicode character. Some possible
integer values of <em class="parameter"><code>ch</code></em> will not be valid. 0 is considered a valid
character, though it's normally a string terminator.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>ch</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>ch</code></em> is a valid Unicode character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isalnum ()">
<a name="g-unichar-isalnum"></a><h3>g_unichar_isalnum ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isalnum                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is alphanumeric.
Given some UTF-8 text, obtain a character value
with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is an alphanumeric character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isalpha ()">
<a name="g-unichar-isalpha"></a><h3>g_unichar_isalpha ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isalpha                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is alphabetic (i.e. a letter).
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is an alphabetic character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_iscntrl ()">
<a name="g-unichar-iscntrl"></a><h3>g_unichar_iscntrl ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_iscntrl                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is a control character.
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a control character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isdefined ()">
<a name="g-unichar-isdefined"></a><h3>g_unichar_isdefined ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isdefined                 (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a given character is assigned in the Unicode
standard.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the character has an assigned value
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isdigit ()">
<a name="g-unichar-isdigit"></a><h3>g_unichar_isdigit ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isdigit                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is numeric (i.e. a digit).  This
covers ASCII 0-9 and also digits in other languages/scripts.  Given
some UTF-8 text, obtain a character value with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a digit
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isgraph ()">
<a name="g-unichar-isgraph"></a><h3>g_unichar_isgraph ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isgraph                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is printable and not a space
(returns <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS" title="FALSE"><code class="literal">FALSE</code></a> for control characters, format characters, and
spaces). <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isprint" title="g_unichar_isprint ()"><code class="function">g_unichar_isprint()</code></a> is similar, but returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> for
spaces. Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is printable unless it's a space
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_islower ()">
<a name="g-unichar-islower"></a><h3>g_unichar_islower ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_islower                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is a lowercase letter.
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a lowercase letter
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_ismark ()">
<a name="g-unichar-ismark"></a><h3>g_unichar_ismark ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_ismark                    (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is a mark (non-spacing mark,
combining mark, or enclosing mark in Unicode speak).
Given some UTF-8 text, obtain a character value
with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<p>
Note: in most cases where isalpha characters are allowed,
ismark characters should be allowed to as they are essential
for writing most European languages as well as many non-Latin
scripts.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a mark character

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2" title="g_unichar_isprint ()">
<a name="g-unichar-isprint"></a><h3>g_unichar_isprint ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isprint                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is printable.
Unlike <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isgraph" title="g_unichar_isgraph ()"><code class="function">g_unichar_isgraph()</code></a>, returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> for spaces.
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is printable
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_ispunct ()">
<a name="g-unichar-ispunct"></a><h3>g_unichar_ispunct ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_ispunct                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is punctuation or a symbol.
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a punctuation or symbol character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isspace ()">
<a name="g-unichar-isspace"></a><h3>g_unichar_isspace ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isspace                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines whether a character is a space, tab, or line separator
(newline, carriage return, etc.).  Given some UTF-8 text, obtain a
character value with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>.
</p>
<p>
(Note: don't use this to do word breaking; you have to use
Pango or equivalent to get word breaking right, the algorithm
is fairly complex.)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a space character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_istitle ()">
<a name="g-unichar-istitle"></a><h3>g_unichar_istitle ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_istitle                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a character is titlecase. Some characters in
Unicode which are composites, such as the DZ digraph
have three case variants instead of just two. The titlecase
form is used at the beginning of a word where only the
first letter is capitalized. The titlecase form of the DZ
digraph is U+01F2 LATIN CAPITAL LETTTER D WITH SMALL LETTER Z.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the character is titlecase
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isupper ()">
<a name="g-unichar-isupper"></a><h3>g_unichar_isupper ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isupper                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a character is uppercase.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is an uppercase character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_isxdigit ()">
<a name="g-unichar-isxdigit"></a><h3>g_unichar_isxdigit ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_isxdigit                  (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a character is a hexidecimal digit.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the character is a hexadecimal digit
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_iswide ()">
<a name="g-unichar-iswide"></a><h3>g_unichar_iswide ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_iswide                    (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a character is typically rendered in a double-width
cell.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the character is wide
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_iswide_cjk ()">
<a name="g-unichar-iswide-cjk"></a><h3>g_unichar_iswide_cjk ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_iswide_cjk                (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a character is typically rendered in a double-width
cell under legacy East Asian locales.  If a character is wide according to
<a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iswide" title="g_unichar_iswide ()"><code class="function">g_unichar_iswide()</code></a>, then it is also reported wide with this function, but
the converse is not necessarily true.  See the
<a class="ulink" href="http://www.unicode.org/reports/tr11/" target="_top">Unicode Standard
Annex #11</a> for details.
</p>
<p>
If a character passes the <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iswide" title="g_unichar_iswide ()"><code class="function">g_unichar_iswide()</code></a> test then it will also pass
this test, but not the other way around.  Note that some characters may
pas both this test and <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iszerowidth" title="g_unichar_iszerowidth ()"><code class="function">g_unichar_iszerowidth()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the character is wide in legacy East Asian locales

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2" title="g_unichar_iszerowidth ()">
<a name="g-unichar-iszerowidth"></a><h3>g_unichar_iszerowidth ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_iszerowidth               (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines if a given character typically takes zero width when rendered.
The return value is <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> for all non-spacing and enclosing marks
(e.g., combining accents), format characters, zero-width
space, but not U+00AD SOFT HYPHEN.
</p>
<p>
A typical use of this function is with one of <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iswide" title="g_unichar_iswide ()"><code class="function">g_unichar_iswide()</code></a> or
<a class="link" href="glib-Unicode-Manipulation.html#g-unichar-iswide-cjk" title="g_unichar_iswide_cjk ()"><code class="function">g_unichar_iswide_cjk()</code></a> to determine the number of cells a string occupies
when displayed on a grid display (terminals).  However, note that not all
terminals support zero-width rendering of zero-width marks.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the character has zero width

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2" title="g_unichar_toupper ()">
<a name="g-unichar-toupper"></a><h3>g_unichar_toupper ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            g_unichar_toupper                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Converts a character to uppercase.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the result of converting <em class="parameter"><code>c</code></em> to uppercase.
              If <em class="parameter"><code>c</code></em> is not an lowercase or titlecase character,
              or has no upper case equivalent <em class="parameter"><code>c</code></em> is returned unchanged.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_tolower ()">
<a name="g-unichar-tolower"></a><h3>g_unichar_tolower ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            g_unichar_tolower                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Converts a character to lower case.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the result of converting <em class="parameter"><code>c</code></em> to lower case.
              If <em class="parameter"><code>c</code></em> is not an upperlower or titlecase character,
              or has no lowercase equivalent <em class="parameter"><code>c</code></em> is returned unchanged.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_totitle ()">
<a name="g-unichar-totitle"></a><h3>g_unichar_totitle ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            g_unichar_totitle                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Converts a character to the titlecase.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the result of converting <em class="parameter"><code>c</code></em> to titlecase.
              If <em class="parameter"><code>c</code></em> is not an uppercase or lowercase character,
              <em class="parameter"><code>c</code></em> is returned unchanged.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_digit_value ()">
<a name="g-unichar-digit-value"></a><h3>g_unichar_digit_value ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_unichar_digit_value               (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines the numeric value of a character as a decimal
digit.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> If <em class="parameter"><code>c</code></em> is a decimal digit (according to
<a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isdigit" title="g_unichar_isdigit ()"><code class="function">g_unichar_isdigit()</code></a>), its numeric value. Otherwise, -1.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_xdigit_value ()">
<a name="g-unichar-xdigit-value"></a><h3>g_unichar_xdigit_value ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_unichar_xdigit_value              (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines the numeric value of a character as a hexidecimal
digit.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> If <em class="parameter"><code>c</code></em> is a hex digit (according to
<a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isxdigit" title="g_unichar_isxdigit ()"><code class="function">g_unichar_isxdigit()</code></a>), its numeric value. Otherwise, -1.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum GUnicodeType">
<a name="GUnicodeType"></a><h3>enum GUnicodeType</h3>
<pre class="programlisting">typedef enum
{
  G_UNICODE_CONTROL,
  G_UNICODE_FORMAT,
  G_UNICODE_UNASSIGNED,
  G_UNICODE_PRIVATE_USE,
  G_UNICODE_SURROGATE,
  G_UNICODE_LOWERCASE_LETTER,
  G_UNICODE_MODIFIER_LETTER,
  G_UNICODE_OTHER_LETTER,
  G_UNICODE_TITLECASE_LETTER,
  G_UNICODE_UPPERCASE_LETTER,
  G_UNICODE_COMBINING_MARK,
  G_UNICODE_ENCLOSING_MARK,
  G_UNICODE_NON_SPACING_MARK,
  G_UNICODE_DECIMAL_NUMBER,
  G_UNICODE_LETTER_NUMBER,
  G_UNICODE_OTHER_NUMBER,
  G_UNICODE_CONNECT_PUNCTUATION,
  G_UNICODE_DASH_PUNCTUATION,
  G_UNICODE_CLOSE_PUNCTUATION,
  G_UNICODE_FINAL_PUNCTUATION,
  G_UNICODE_INITIAL_PUNCTUATION,
  G_UNICODE_OTHER_PUNCTUATION,
  G_UNICODE_OPEN_PUNCTUATION,
  G_UNICODE_CURRENCY_SYMBOL,
  G_UNICODE_MODIFIER_SYMBOL,
  G_UNICODE_MATH_SYMBOL,
  G_UNICODE_OTHER_SYMBOL,
  G_UNICODE_LINE_SEPARATOR,
  G_UNICODE_PARAGRAPH_SEPARATOR,
  G_UNICODE_SPACE_SEPARATOR
} GUnicodeType;
</pre>
<p>
These are the possible character classifications from the
Unicode specification.
See <a class="ulink" href="http://www.unicode.org/Public/UNIDATA/UnicodeData.html" target="_top">http://www.unicode.org/Public/UNIDATA/UnicodeData.html</a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="G-UNICODE-CONTROL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_CONTROL</code></span></p></td>
<td>General category "Other, Control" (Cc)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-FORMAT:CAPS"></a><span class="term"><code class="literal">G_UNICODE_FORMAT</code></span></p></td>
<td>General category "Other, Format" (Cf)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-UNASSIGNED:CAPS"></a><span class="term"><code class="literal">G_UNICODE_UNASSIGNED</code></span></p></td>
<td>General category "Other, Not Assigned" (Cn)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-PRIVATE-USE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_PRIVATE_USE</code></span></p></td>
<td>General category "Other, Private Use" (Co)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SURROGATE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SURROGATE</code></span></p></td>
<td>General category "Other, Surrogate" (Cs)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-LOWERCASE-LETTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_LOWERCASE_LETTER</code></span></p></td>
<td>General category "Letter, Lowercase" (Ll)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-MODIFIER-LETTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_MODIFIER_LETTER</code></span></p></td>
<td>General category "Letter, Modifier" (Lm)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-OTHER-LETTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_OTHER_LETTER</code></span></p></td>
<td>General category "Letter, Other" (Lo)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-TITLECASE-LETTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_TITLECASE_LETTER</code></span></p></td>
<td>General category "Letter, Titlecase" (Lt)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-UPPERCASE-LETTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_UPPERCASE_LETTER</code></span></p></td>
<td>General category "Letter, Uppercase" (Lu)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-COMBINING-MARK:CAPS"></a><span class="term"><code class="literal">G_UNICODE_COMBINING_MARK</code></span></p></td>
<td>General category "Mark, Spacing Combining" (Mc)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-ENCLOSING-MARK:CAPS"></a><span class="term"><code class="literal">G_UNICODE_ENCLOSING_MARK</code></span></p></td>
<td>General category "Mark, Enclosing" (Me)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-NON-SPACING-MARK:CAPS"></a><span class="term"><code class="literal">G_UNICODE_NON_SPACING_MARK</code></span></p></td>
<td>General category "Mark, Nonspacing" (Mn)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-DECIMAL-NUMBER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_DECIMAL_NUMBER</code></span></p></td>
<td>General category "Number, Decimal Digit" (Nd)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-LETTER-NUMBER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_LETTER_NUMBER</code></span></p></td>
<td>General category "Number, Letter" (Nl)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-OTHER-NUMBER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_OTHER_NUMBER</code></span></p></td>
<td>General category "Number, Other" (No)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-CONNECT-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_CONNECT_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Connector" (Pc)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-DASH-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_DASH_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Dash" (Pd)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-CLOSE-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_CLOSE_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Close" (Pe)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-FINAL-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_FINAL_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Final quote" (Pf)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-INITIAL-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_INITIAL_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Initial quote" (Pi)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-OTHER-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_OTHER_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Other" (Po)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-OPEN-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_OPEN_PUNCTUATION</code></span></p></td>
<td>General category "Punctuation, Open" (Ps)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-CURRENCY-SYMBOL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_CURRENCY_SYMBOL</code></span></p></td>
<td>General category "Symbol, Currency" (Sc)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-MODIFIER-SYMBOL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_MODIFIER_SYMBOL</code></span></p></td>
<td>General category "Symbol, Modifier" (Sk)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-MATH-SYMBOL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_MATH_SYMBOL</code></span></p></td>
<td>General category "Symbol, Math" (Sm)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-OTHER-SYMBOL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_OTHER_SYMBOL</code></span></p></td>
<td>General category "Symbol, Other" (So)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-LINE-SEPARATOR:CAPS"></a><span class="term"><code class="literal">G_UNICODE_LINE_SEPARATOR</code></span></p></td>
<td>General category "Separator, Line" (Zl)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-PARAGRAPH-SEPARATOR:CAPS"></a><span class="term"><code class="literal">G_UNICODE_PARAGRAPH_SEPARATOR</code></span></p></td>
<td>General category "Separator, Paragraph" (Zp)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SPACE-SEPARATOR:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SPACE_SEPARATOR</code></span></p></td>
<td>General category "Separator, Space" (Zs)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_type ()">
<a name="g-unichar-type"></a><h3>g_unichar_type ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#GUnicodeType" title="enum GUnicodeType"><span class="returnvalue">GUnicodeType</span></a>        g_unichar_type                      (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Classifies a Unicode character by type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the type of the character.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum GUnicodeBreakType">
<a name="GUnicodeBreakType"></a><h3>enum GUnicodeBreakType</h3>
<pre class="programlisting">typedef enum
{
  G_UNICODE_BREAK_MANDATORY,
  G_UNICODE_BREAK_CARRIAGE_RETURN,
  G_UNICODE_BREAK_LINE_FEED,
  G_UNICODE_BREAK_COMBINING_MARK,
  G_UNICODE_BREAK_SURROGATE,
  G_UNICODE_BREAK_ZERO_WIDTH_SPACE,
  G_UNICODE_BREAK_INSEPARABLE,
  G_UNICODE_BREAK_NON_BREAKING_GLUE,
  G_UNICODE_BREAK_CONTINGENT,
  G_UNICODE_BREAK_SPACE,
  G_UNICODE_BREAK_AFTER,
  G_UNICODE_BREAK_BEFORE,
  G_UNICODE_BREAK_BEFORE_AND_AFTER,
  G_UNICODE_BREAK_HYPHEN,
  G_UNICODE_BREAK_NON_STARTER,
  G_UNICODE_BREAK_OPEN_PUNCTUATION,
  G_UNICODE_BREAK_CLOSE_PUNCTUATION,
  G_UNICODE_BREAK_QUOTATION,
  G_UNICODE_BREAK_EXCLAMATION,
  G_UNICODE_BREAK_IDEOGRAPHIC,
  G_UNICODE_BREAK_NUMERIC,
  G_UNICODE_BREAK_INFIX_SEPARATOR,
  G_UNICODE_BREAK_SYMBOL,
  G_UNICODE_BREAK_ALPHABETIC,
  G_UNICODE_BREAK_PREFIX,
  G_UNICODE_BREAK_POSTFIX,
  G_UNICODE_BREAK_COMPLEX_CONTEXT,
  G_UNICODE_BREAK_AMBIGUOUS,
  G_UNICODE_BREAK_UNKNOWN,
  G_UNICODE_BREAK_NEXT_LINE,
  G_UNICODE_BREAK_WORD_JOINER,
  G_UNICODE_BREAK_HANGUL_L_JAMO,
  G_UNICODE_BREAK_HANGUL_V_JAMO,
  G_UNICODE_BREAK_HANGUL_T_JAMO,
  G_UNICODE_BREAK_HANGUL_LV_SYLLABLE,
  G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE
} GUnicodeBreakType;
</pre>
<p>
These are the possible line break classifications.
The five Hangul types were added in Unicode 4.1, so, has been
introduced in GLib 2.10.  Note that new types may be added in the future.
Applications should be ready to handle unknown values.
They may be regarded as <a class="link" href="glib-Unicode-Manipulation.html#G-UNICODE-BREAK-UNKNOWN:CAPS"><code class="literal">G_UNICODE_BREAK_UNKNOWN</code></a>.
See <a class="ulink" href="http://www.unicode.org/unicode/reports/tr14/" target="_top">http://www.unicode.org/unicode/reports/tr14/</a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="G-UNICODE-BREAK-MANDATORY:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_MANDATORY</code></span></p></td>
<td>Mandatory Break (BK)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-CARRIAGE-RETURN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_CARRIAGE_RETURN</code></span></p></td>
<td>Carriage Return (CR)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-LINE-FEED:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_LINE_FEED</code></span></p></td>
<td>Line Feed (LF)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-COMBINING-MARK:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_COMBINING_MARK</code></span></p></td>
<td>Attached Characters and Combining Marks (CM)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-SURROGATE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_SURROGATE</code></span></p></td>
<td>Surrogates (SG)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-ZERO-WIDTH-SPACE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_ZERO_WIDTH_SPACE</code></span></p></td>
<td>Zero Width Space (ZW)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-INSEPARABLE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_INSEPARABLE</code></span></p></td>
<td>Inseparable (IN)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-NON-BREAKING-GLUE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_NON_BREAKING_GLUE</code></span></p></td>
<td>Non-breaking ("Glue") (GL)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-CONTINGENT:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_CONTINGENT</code></span></p></td>
<td>Contingent Break Opportunity (CB)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-SPACE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_SPACE</code></span></p></td>
<td>Space (SP)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-AFTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_AFTER</code></span></p></td>
<td>Break Opportunity After (BA)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-BEFORE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_BEFORE</code></span></p></td>
<td>Break Opportunity Before (BB)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-BEFORE-AND-AFTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_BEFORE_AND_AFTER</code></span></p></td>
<td>Break Opportunity Before and After (B2)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-HYPHEN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_HYPHEN</code></span></p></td>
<td>Hyphen (HY)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-NON-STARTER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_NON_STARTER</code></span></p></td>
<td>Nonstarter (NS)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-OPEN-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_OPEN_PUNCTUATION</code></span></p></td>
<td>Opening Punctuation (OP)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-CLOSE-PUNCTUATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_CLOSE_PUNCTUATION</code></span></p></td>
<td>Closing Punctuation (CL)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-QUOTATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_QUOTATION</code></span></p></td>
<td>Ambiguous Quotation (QU)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-EXCLAMATION:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_EXCLAMATION</code></span></p></td>
<td>Exclamation/Interrogation (EX)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-IDEOGRAPHIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_IDEOGRAPHIC</code></span></p></td>
<td>Ideographic (ID)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-NUMERIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_NUMERIC</code></span></p></td>
<td>Numeric (NU)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-INFIX-SEPARATOR:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_INFIX_SEPARATOR</code></span></p></td>
<td>Infix Separator (Numeric) (IS)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-SYMBOL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_SYMBOL</code></span></p></td>
<td>Symbols Allowing Break After (SY)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-ALPHABETIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_ALPHABETIC</code></span></p></td>
<td>Ordinary Alphabetic and Symbol Characters (AL)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-PREFIX:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_PREFIX</code></span></p></td>
<td>Prefix (Numeric) (PR)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-POSTFIX:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_POSTFIX</code></span></p></td>
<td>Postfix (Numeric) (PO)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-COMPLEX-CONTEXT:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_COMPLEX_CONTEXT</code></span></p></td>
<td>Complex Content Dependent (South East Asian) (SA)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-AMBIGUOUS:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_AMBIGUOUS</code></span></p></td>
<td>Ambiguous (Alphabetic or Ideographic) (AI)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-UNKNOWN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_UNKNOWN</code></span></p></td>
<td>Unknown (XX)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-NEXT-LINE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_NEXT_LINE</code></span></p></td>
<td>Next Line (NL)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-WORD-JOINER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_WORD_JOINER</code></span></p></td>
<td>Word Joiner (WJ)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-HANGUL-L-JAMO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_HANGUL_L_JAMO</code></span></p></td>
<td>Hangul L Jamo (JL)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-HANGUL-V-JAMO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_HANGUL_V_JAMO</code></span></p></td>
<td>Hangul V Jamo (JV)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-HANGUL-T-JAMO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_HANGUL_T_JAMO</code></span></p></td>
<td>Hangul T Jamo (JT)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-HANGUL-LV-SYLLABLE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_HANGUL_LV_SYLLABLE</code></span></p></td>
<td>Hangul LV Syllable (H2)
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-BREAK-HANGUL-LVT-SYLLABLE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE</code></span></p></td>
<td>Hangul LVT Syllable (H3)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_break_type ()">
<a name="g-unichar-break-type"></a><h3>g_unichar_break_type ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#GUnicodeBreakType" title="enum GUnicodeBreakType"><span class="returnvalue">GUnicodeBreakType</span></a>   g_unichar_break_type                (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Determines the break type of <em class="parameter"><code>c</code></em>. <em class="parameter"><code>c</code></em> should be a Unicode character
(to derive a character from UTF-8 encoded text, use
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char" title="g_utf8_get_char ()"><code class="function">g_utf8_get_char()</code></a>). The break type is used to find word and line
breaks ("text boundaries"), Pango implements the Unicode boundary
resolution algorithms and normally you would use a function such
as <a href="/usr/share/gtk-doc/html/pango/pango-Text-Processing.html#pango-break"><code class="function">pango_break()</code></a> instead of caring about break types yourself.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the break type of <em class="parameter"><code>c</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_combining_class ()">
<a name="g-unichar-combining-class"></a><h3>g_unichar_combining_class ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_unichar_combining_class           (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> uc</code></em>);</pre>
<p>
Determines the canonical combining class of a Unicode character.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>uc</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the combining class of the character

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2" title="g_unicode_canonical_ordering ()">
<a name="g-unicode-canonical-ordering"></a><h3>g_unicode_canonical_ordering ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_unicode_canonical_ordering        (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *string</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gsize" title="gsize"><span class="type">gsize</span></a> len</code></em>);</pre>
<p>
Computes the canonical ordering of a string in-place.  
This rearranges decomposed characters in the string 
according to their combining classes.  See the Unicode 
manual for more information.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>string</code></em> :</span></p></td>
<td>a UCS-4 encoded string.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length of <em class="parameter"><code>string</code></em> to use.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unicode_canonical_decomposition ()">
<a name="g-unicode-canonical-decomposition"></a><h3>g_unicode_canonical_decomposition ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          g_unicode_canonical_decomposition   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gsize" title="gsize"><span class="type">gsize</span></a> *result_len</code></em>);</pre>
<p>
Computes the canonical decomposition of a Unicode character.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>ch</code></em> :</span></p></td>
<td>a Unicode character.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result_len</code></em> :</span></p></td>
<td>location to store the length of the return value.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string of Unicode characters.
  <em class="parameter"><code>result_len</code></em> is set to the resulting length of the string.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_get_mirror_char ()">
<a name="g-unichar-get-mirror-char"></a><h3>g_unichar_get_mirror_char ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_unichar_get_mirror_char           (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *mirrored_ch</code></em>);</pre>
<p>
In Unicode, some characters are <em class="firstterm">mirrored</em>. This
means that their images are mirrored horizontally in text that is laid
out from right to left. For instance, "(" would become its mirror image,
")", in right-to-left text.
</p>
<p>
If <em class="parameter"><code>ch</code></em> has the Unicode mirrored property and there is another unicode
character that typically has a glyph that is the mirror image of <em class="parameter"><code>ch</code></em>'s
glyph and <em class="parameter"><code>mirrored_ch</code></em> is set, it puts that character in the address
pointed to by <em class="parameter"><code>mirrored_ch</code></em>.  Otherwise the original character is put.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>ch</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mirrored_ch</code></em> :</span></p></td>
<td>location to store the mirrored character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>ch</code></em> has a mirrored character, <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS" title="FALSE"><code class="literal">FALSE</code></a> otherwise

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.4</p>
</div>
<hr>
<div class="refsect2" title="enum GUnicodeScript">
<a name="GUnicodeScript"></a><h3>enum GUnicodeScript</h3>
<pre class="programlisting">typedef enum 
{                         /* ISO 15924 code */
  G_UNICODE_SCRIPT_INVALID_CODE = -1,
  G_UNICODE_SCRIPT_COMMON       = 0,   /* Zyyy */
  G_UNICODE_SCRIPT_INHERITED,          /* Qaai */
  G_UNICODE_SCRIPT_ARABIC,             /* Arab */
  G_UNICODE_SCRIPT_ARMENIAN,           /* Armn */
  G_UNICODE_SCRIPT_BENGALI,            /* Beng */
  G_UNICODE_SCRIPT_BOPOMOFO,           /* Bopo */
  G_UNICODE_SCRIPT_CHEROKEE,           /* Cher */
  G_UNICODE_SCRIPT_COPTIC,             /* Qaac */
  G_UNICODE_SCRIPT_CYRILLIC,           /* Cyrl (Cyrs) */
  G_UNICODE_SCRIPT_DESERET,            /* Dsrt */
  G_UNICODE_SCRIPT_DEVANAGARI,         /* Deva */
  G_UNICODE_SCRIPT_ETHIOPIC,           /* Ethi */
  G_UNICODE_SCRIPT_GEORGIAN,           /* Geor (Geon, Geoa) */
  G_UNICODE_SCRIPT_GOTHIC,             /* Goth */
  G_UNICODE_SCRIPT_GREEK,              /* Grek */
  G_UNICODE_SCRIPT_GUJARATI,           /* Gujr */
  G_UNICODE_SCRIPT_GURMUKHI,           /* Guru */
  G_UNICODE_SCRIPT_HAN,                /* Hani */
  G_UNICODE_SCRIPT_HANGUL,             /* Hang */
  G_UNICODE_SCRIPT_HEBREW,             /* Hebr */
  G_UNICODE_SCRIPT_HIRAGANA,           /* Hira */
  G_UNICODE_SCRIPT_KANNADA,            /* Knda */
  G_UNICODE_SCRIPT_KATAKANA,           /* Kana */
  G_UNICODE_SCRIPT_KHMER,              /* Khmr */
  G_UNICODE_SCRIPT_LAO,                /* Laoo */
  G_UNICODE_SCRIPT_LATIN,              /* Latn (Latf, Latg) */
  G_UNICODE_SCRIPT_MALAYALAM,          /* Mlym */
  G_UNICODE_SCRIPT_MONGOLIAN,          /* Mong */
  G_UNICODE_SCRIPT_MYANMAR,            /* Mymr */
  G_UNICODE_SCRIPT_OGHAM,              /* Ogam */
  G_UNICODE_SCRIPT_OLD_ITALIC,         /* Ital */
  G_UNICODE_SCRIPT_ORIYA,              /* Orya */
  G_UNICODE_SCRIPT_RUNIC,              /* Runr */
  G_UNICODE_SCRIPT_SINHALA,            /* Sinh */
  G_UNICODE_SCRIPT_SYRIAC,             /* Syrc (Syrj, Syrn, Syre) */
  G_UNICODE_SCRIPT_TAMIL,              /* Taml */
  G_UNICODE_SCRIPT_TELUGU,             /* Telu */
  G_UNICODE_SCRIPT_THAANA,             /* Thaa */
  G_UNICODE_SCRIPT_THAI,               /* Thai */
  G_UNICODE_SCRIPT_TIBETAN,            /* Tibt */
  G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */
  G_UNICODE_SCRIPT_YI,                 /* Yiii */
  G_UNICODE_SCRIPT_TAGALOG,            /* Tglg */
  G_UNICODE_SCRIPT_HANUNOO,            /* Hano */
  G_UNICODE_SCRIPT_BUHID,              /* Buhd */
  G_UNICODE_SCRIPT_TAGBANWA,           /* Tagb */

  /* Unicode-4.0 additions */
  G_UNICODE_SCRIPT_BRAILLE,            /* Brai */
  G_UNICODE_SCRIPT_CYPRIOT,            /* Cprt */
  G_UNICODE_SCRIPT_LIMBU,              /* Limb */
  G_UNICODE_SCRIPT_OSMANYA,            /* Osma */
  G_UNICODE_SCRIPT_SHAVIAN,            /* Shaw */
  G_UNICODE_SCRIPT_LINEAR_B,           /* Linb */
  G_UNICODE_SCRIPT_TAI_LE,             /* Tale */
  G_UNICODE_SCRIPT_UGARITIC,           /* Ugar */
      
  /* Unicode-4.1 additions */
  G_UNICODE_SCRIPT_NEW_TAI_LUE,        /* Talu */
  G_UNICODE_SCRIPT_BUGINESE,           /* Bugi */
  G_UNICODE_SCRIPT_GLAGOLITIC,         /* Glag */
  G_UNICODE_SCRIPT_TIFINAGH,           /* Tfng */
  G_UNICODE_SCRIPT_SYLOTI_NAGRI,       /* Sylo */
  G_UNICODE_SCRIPT_OLD_PERSIAN,        /* Xpeo */
  G_UNICODE_SCRIPT_KHAROSHTHI,         /* Khar */

  /* Unicode-5.0 additions */
  G_UNICODE_SCRIPT_UNKNOWN,            /* Zzzz */
  G_UNICODE_SCRIPT_BALINESE,           /* Bali */
  G_UNICODE_SCRIPT_CUNEIFORM,          /* Xsux */
  G_UNICODE_SCRIPT_PHOENICIAN,         /* Phnx */
  G_UNICODE_SCRIPT_PHAGS_PA,           /* Phag */
  G_UNICODE_SCRIPT_NKO,                /* Nkoo */

  /* Unicode-5.1 additions */
  G_UNICODE_SCRIPT_KAYAH_LI,           /* Kali */
  G_UNICODE_SCRIPT_LEPCHA,             /* Lepc */
  G_UNICODE_SCRIPT_REJANG,             /* Rjng */
  G_UNICODE_SCRIPT_SUNDANESE,          /* Sund */
  G_UNICODE_SCRIPT_SAURASHTRA,         /* Saur */
  G_UNICODE_SCRIPT_CHAM,               /* Cham */
  G_UNICODE_SCRIPT_OL_CHIKI,           /* Olck */
  G_UNICODE_SCRIPT_VAI,                /* Vaii */
  G_UNICODE_SCRIPT_CARIAN,             /* Cari */
  G_UNICODE_SCRIPT_LYCIAN,             /* Lyci */
  G_UNICODE_SCRIPT_LYDIAN,             /* Lydi */

  /* Unicode-5.2 additions */
  G_UNICODE_SCRIPT_AVESTAN,                /* Avestan */
  G_UNICODE_SCRIPT_BAMUM,                  /* Bamum */
  G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS,   /* Egyptian Hieroglyphs */
  G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC,       /* Imperial Aramaic */
  G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI,  /* Inscriptional Pahlavi */
  G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN, /* Inscriptional Parthian */
  G_UNICODE_SCRIPT_JAVANESE,               /* Javanese */
  G_UNICODE_SCRIPT_KAITHI,                 /* Kaithi */
  G_UNICODE_SCRIPT_LISU,                   /* Lisu */
  G_UNICODE_SCRIPT_MEETEI_MAYEK,           /* Meetei Mayek */
  G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN,      /* Old South Arabian */
  G_UNICODE_SCRIPT_OLD_TURKISH,            /* Old Turkish */
  G_UNICODE_SCRIPT_SAMARITAN,              /* Samaritan */
  G_UNICODE_SCRIPT_TAI_THAM,               /* Tai Tham */
  G_UNICODE_SCRIPT_TAI_VIET                /* Tai Viet */
} GUnicodeScript;
</pre>
<p>
The <a class="link" href="glib-Unicode-Manipulation.html#GUnicodeScript" title="enum GUnicodeScript"><span class="type">GUnicodeScript</span></a> enumeration identifies different writing
systems. The values correspond to the names as defined in the
Unicode standard. The enumeration has been added in GLib 2.14,
and is interchangeable with <a href="/usr/share/gtk-doc/html/pango/pango-Scripts-and-Languages.html#PangoScript"><span class="type">PangoScript</span></a>.
Note that new types may be added in the future. Applications
should be ready to handle unknown values.
See <a class="ulink" href="http://www.unicode.org/reports/tr24/" target="_top">Unicode Standard Annex
#24: Script names</a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-INVALID-CODE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_INVALID_CODE</code></span></p></td>
<td>a value never returned from <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-get-script" title="g_unichar_get_script ()"><code class="function">g_unichar_get_script()</code></a>
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-COMMON:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_COMMON</code></span></p></td>
<td>    a character used by multiple different scripts
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-INHERITED:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_INHERITED</code></span></p></td>
<td> a mark glyph that takes its script from the
                              base glyph to which it is attached
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-ARABIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_ARABIC</code></span></p></td>
<td>    Arabic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-ARMENIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_ARMENIAN</code></span></p></td>
<td>  Armenian
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BENGALI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BENGALI</code></span></p></td>
<td>   Bengali
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BOPOMOFO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BOPOMOFO</code></span></p></td>
<td>  Bopomofo
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CHEROKEE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CHEROKEE</code></span></p></td>
<td>  Cherokee
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-COPTIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_COPTIC</code></span></p></td>
<td>    Coptic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CYRILLIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CYRILLIC</code></span></p></td>
<td>  Cyrillic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-DESERET:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_DESERET</code></span></p></td>
<td>   Deseret
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-DEVANAGARI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_DEVANAGARI</code></span></p></td>
<td>Devanagari
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-ETHIOPIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_ETHIOPIC</code></span></p></td>
<td>  Ethiopic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-GEORGIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_GEORGIAN</code></span></p></td>
<td>  Georgian
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-GOTHIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_GOTHIC</code></span></p></td>
<td>    Gothic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-GREEK:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_GREEK</code></span></p></td>
<td>     Greek
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-GUJARATI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_GUJARATI</code></span></p></td>
<td>  Gujarati
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-GURMUKHI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_GURMUKHI</code></span></p></td>
<td>  Gurmukhi
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-HAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_HAN</code></span></p></td>
<td>       Han
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-HANGUL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_HANGUL</code></span></p></td>
<td>    Hangul
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-HEBREW:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_HEBREW</code></span></p></td>
<td>    Hebrew
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-HIRAGANA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_HIRAGANA</code></span></p></td>
<td>  Hiragana
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-KANNADA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_KANNADA</code></span></p></td>
<td>   Kannada
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-KATAKANA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_KATAKANA</code></span></p></td>
<td>  Katakana
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-KHMER:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_KHMER</code></span></p></td>
<td>     Khmer
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LAO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LAO</code></span></p></td>
<td>       Lao
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LATIN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LATIN</code></span></p></td>
<td>     Latin
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-MALAYALAM:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_MALAYALAM</code></span></p></td>
<td> Malayalam
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-MONGOLIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_MONGOLIAN</code></span></p></td>
<td> Mongolian
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-MYANMAR:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_MYANMAR</code></span></p></td>
<td>   Myanmar
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OGHAM:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OGHAM</code></span></p></td>
<td>     Ogham
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OLD-ITALIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OLD_ITALIC</code></span></p></td>
<td>Old Italic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-ORIYA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_ORIYA</code></span></p></td>
<td>     Oriya
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-RUNIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_RUNIC</code></span></p></td>
<td>     Runic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SINHALA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SINHALA</code></span></p></td>
<td>   Sinhala
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SYRIAC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SYRIAC</code></span></p></td>
<td>    Syriac
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TAMIL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TAMIL</code></span></p></td>
<td>     Tamil
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TELUGU:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TELUGU</code></span></p></td>
<td>    Telugu
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-THAANA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_THAANA</code></span></p></td>
<td>    Thaana
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-THAI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_THAI</code></span></p></td>
<td>      Thai
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TIBETAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TIBETAN</code></span></p></td>
<td>   Tibetan
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CANADIAN-ABORIGINAL:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL</code></span></p></td>
<td>
                              Canadian Aboriginal
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-YI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_YI</code></span></p></td>
<td>        Yi
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TAGALOG:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TAGALOG</code></span></p></td>
<td>   Tagalog
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-HANUNOO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_HANUNOO</code></span></p></td>
<td>   Hanunoo
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BUHID:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BUHID</code></span></p></td>
<td>     Buhid
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TAGBANWA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TAGBANWA</code></span></p></td>
<td>  Tagbanwa
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BRAILLE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BRAILLE</code></span></p></td>
<td>   Braille
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CYPRIOT:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CYPRIOT</code></span></p></td>
<td>   Cypriot
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LIMBU:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LIMBU</code></span></p></td>
<td>     Limbu
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OSMANYA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OSMANYA</code></span></p></td>
<td>   Osmanya
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SHAVIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SHAVIAN</code></span></p></td>
<td>   Shavian
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LINEAR-B:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LINEAR_B</code></span></p></td>
<td>  Linear B
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TAI-LE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TAI_LE</code></span></p></td>
<td>    Tai Le
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-UGARITIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_UGARITIC</code></span></p></td>
<td>  Ugaritic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-NEW-TAI-LUE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_NEW_TAI_LUE</code></span></p></td>
<td>New Tai Lue
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BUGINESE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BUGINESE</code></span></p></td>
<td>  Buginese
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-GLAGOLITIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_GLAGOLITIC</code></span></p></td>
<td>Glagolitic
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TIFINAGH:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TIFINAGH</code></span></p></td>
<td>  Tifinagh
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SYLOTI-NAGRI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SYLOTI_NAGRI</code></span></p></td>
<td>Syloti Nagri
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OLD-PERSIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OLD_PERSIAN</code></span></p></td>
<td>Old Persian
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-KHAROSHTHI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_KHAROSHTHI</code></span></p></td>
<td>Kharoshthi
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-UNKNOWN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_UNKNOWN</code></span></p></td>
<td>   an unassigned code point
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BALINESE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BALINESE</code></span></p></td>
<td>  Balinese
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CUNEIFORM:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CUNEIFORM</code></span></p></td>
<td> Cuneiform
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-PHOENICIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_PHOENICIAN</code></span></p></td>
<td>Phoenician
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-PHAGS-PA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_PHAGS_PA</code></span></p></td>
<td>  Phags-pa
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-NKO:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_NKO</code></span></p></td>
<td>       N'Ko
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-KAYAH-LI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_KAYAH_LI</code></span></p></td>
<td>  Kayah Li. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LEPCHA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LEPCHA</code></span></p></td>
<td>    Lepcha. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-REJANG:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_REJANG</code></span></p></td>
<td>    Rejang. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SUNDANESE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SUNDANESE</code></span></p></td>
<td> Sundanese. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SAURASHTRA:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SAURASHTRA</code></span></p></td>
<td>Saurashtra. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CHAM:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CHAM</code></span></p></td>
<td>      Cham. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OL-CHIKI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OL_CHIKI</code></span></p></td>
<td>  Ol Chiki. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-VAI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_VAI</code></span></p></td>
<td>       Vai. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-CARIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_CARIAN</code></span></p></td>
<td>    Carian. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LYCIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LYCIAN</code></span></p></td>
<td>    Lycian. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LYDIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LYDIAN</code></span></p></td>
<td>    Lydian. Since 2.16.3
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-AVESTAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_AVESTAN</code></span></p></td>
<td>               Avestan. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-BAMUM:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_BAMUM</code></span></p></td>
<td>                 Bamum. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-EGYPTIAN-HIEROGLYPHS:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS</code></span></p></td>
<td>  Egyptian Hieroglpyhs. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-IMPERIAL-ARAMAIC:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC</code></span></p></td>
<td>      Imperial Aramaic. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-INSCRIPTIONAL-PAHLAVI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI</code></span></p></td>
<td> Inscriptional Pahlavi. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-INSCRIPTIONAL-PARTHIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN</code></span></p></td>
<td>Inscriptional Parthian. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-JAVANESE:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_JAVANESE</code></span></p></td>
<td>              Javanese. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-KAITHI:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_KAITHI</code></span></p></td>
<td>                Kaithi. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-LISU:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_LISU</code></span></p></td>
<td>                  Lisu. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-MEETEI-MAYEK:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_MEETEI_MAYEK</code></span></p></td>
<td>          Meetei Mayek. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OLD-SOUTH-ARABIAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN</code></span></p></td>
<td>     Old South Arabian. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-OLD-TURKISH:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_OLD_TURKISH</code></span></p></td>
<td>           Old Turkish. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-SAMARITAN:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_SAMARITAN</code></span></p></td>
<td>             Samaritan. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TAI-THAM:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TAI_THAM</code></span></p></td>
<td>              Tai Tham. Since 2.26
</td>
</tr>
<tr>
<td><p><a name="G-UNICODE-SCRIPT-TAI-VIET:CAPS"></a><span class="term"><code class="literal">G_UNICODE_SCRIPT_TAI_VIET</code></span></p></td>
<td>              Tai Viet. Since 2.26
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_get_script ()">
<a name="g-unichar-get-script"></a><h3>g_unichar_get_script ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#GUnicodeScript" title="enum GUnicodeScript"><span class="returnvalue">GUnicodeScript</span></a>      g_unichar_get_script                (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> ch</code></em>);</pre>
<p>
Looks up the <a class="link" href="glib-Unicode-Manipulation.html#GUnicodeScript" title="enum GUnicodeScript"><span class="type">GUnicodeScript</span></a> for a particular character (as defined 
by Unicode Standard Annex <span class="type">24</span>). No check is made for <em class="parameter"><code>ch</code></em> being a
valid Unicode character; if you pass in invalid character, the
result is undefined.
</p>
<p>
This function is equivalent to <a href="/usr/share/gtk-doc/html/pango/pango-Scripts-and-Languages.html#pango-script-for-unichar"><code class="function">pango_script_for_unichar()</code></a> and the
two are interchangeable.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>ch</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the <a class="link" href="glib-Unicode-Manipulation.html#GUnicodeScript" title="enum GUnicodeScript"><span class="type">GUnicodeScript</span></a> for the character.

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2" title="g_utf8_next_char()">
<a name="g-utf8-next-char"></a><h3>g_utf8_next_char()</h3>
<pre class="programlisting">#define             g_utf8_next_char(p)</pre>
<p>
Skips to the next character in a UTF-8 string. The string must be
valid; this macro is as fast as possible, and has no error-checking.
You would use this macro to iterate over a string character by
character. The macro returns the start of the next UTF-8 character.
Before using this macro, use <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-validate" title="g_utf8_validate ()"><code class="function">g_utf8_validate()</code></a> to validate strings
that may contain invalid UTF-8.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>Pointer to the start of a valid UTF-8 character.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_get_char ()">
<a name="g-utf8-get-char"></a><h3>g_utf8_get_char ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            g_utf8_get_char                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>);</pre>
<p>
Converts a sequence of bytes encoded as UTF-8 to a Unicode character.
If <em class="parameter"><code>p</code></em> does not point to a valid UTF-8 encoded character, results are
undefined. If you are not sure that the bytes are complete
valid Unicode characters, you should use <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char-validated" title="g_utf8_get_char_validated ()"><code class="function">g_utf8_get_char_validated()</code></a>
instead.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>a pointer to Unicode character encoded as UTF-8
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the resulting character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_get_char_validated ()">
<a name="g-utf8-get-char-validated"></a><h3>g_utf8_get_char_validated ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a>            g_utf8_get_char_validated           (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> max_len</code></em>);</pre>
<p>
Convert a sequence of bytes encoded as UTF-8 to a Unicode character.
This function checks for incomplete characters, for invalid characters
such as characters that are out of the range of Unicode, and for
overlong encodings of valid characters.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>a pointer to Unicode character encoded as UTF-8
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max_len</code></em> :</span></p></td>
<td>the maximum number of bytes to read, or -1, for no maximum or
          if <em class="parameter"><code>p</code></em> is nul-terminated
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the resulting character. If <em class="parameter"><code>p</code></em> points to a partial
   sequence at the end of a string that could begin a valid 
   character (or if <em class="parameter"><code>max_len</code></em> is zero), returns (gunichar)-2; 
   otherwise, if <em class="parameter"><code>p</code></em> does not point to a valid UTF-8 encoded 
   Unicode character, returns (gunichar)-1.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_offset_to_pointer ()">
<a name="g-utf8-offset-to-pointer"></a><h3>g_utf8_offset_to_pointer ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_offset_to_pointer            (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> offset</code></em>);</pre>
<p>
Converts from an integer character offset to a pointer to a position
within the string.
</p>
<p>
Since 2.10, this function allows to pass a negative <em class="parameter"><code>offset</code></em> to
step backwards. It is usually worth stepping backwards from the end
instead of forwards if <em class="parameter"><code>offset</code></em> is in the last fourth of the string,
since moving forward is about 3 times faster than moving backward.
</p>
<p>
</p>
<div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
This function doesn't abort when reaching the end of <em class="parameter"><code>str</code></em>. Therefore
you should be sure that <em class="parameter"><code>offset</code></em> is within string boundaries before
calling that function. Call <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-strlen" title="g_utf8_strlen ()"><code class="function">g_utf8_strlen()</code></a> when unsure.
</p>
<p>
This limitation exists as this function is called frequently during
text rendering and therefore has to be as fast as possible.
</p>
</div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>a character offset within <em class="parameter"><code>str</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the resulting pointer
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_pointer_to_offset ()">
<a name="g-utf8-pointer-to-offset"></a><h3>g_utf8_pointer_to_offset ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="returnvalue">glong</span></a>               g_utf8_pointer_to_offset            (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *pos</code></em>);</pre>
<p>
Converts from a pointer to position within a string to a integer
character offset.
</p>
<p>
Since 2.10, this function allows <em class="parameter"><code>pos</code></em> to be before <em class="parameter"><code>str</code></em>, and returns
a negative offset in this case.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pos</code></em> :</span></p></td>
<td>a pointer to a position within <em class="parameter"><code>str</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the resulting character offset
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_prev_char ()">
<a name="g-utf8-prev-char"></a><h3>g_utf8_prev_char ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_prev_char                    (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>);</pre>
<p>
Finds the previous UTF-8 character in the string before <em class="parameter"><code>p</code></em>.
</p>
<p>
<em class="parameter"><code>p</code></em> does not have to be at the beginning of a UTF-8 character. No check
is made to see if the character found is actually valid other than
it starts with an appropriate byte. If <em class="parameter"><code>p</code></em> might be the first
character of the string, you must use <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-find-prev-char" title="g_utf8_find_prev_char ()"><code class="function">g_utf8_find_prev_char()</code></a> instead.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>a pointer to a position within a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to the found character.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_find_next_char ()">
<a name="g-utf8-find-next-char"></a><h3>g_utf8_find_next_char ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_find_next_char               (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *end</code></em>);</pre>
<p>
Finds the start of the next UTF-8 character in the string after <em class="parameter"><code>p</code></em>.
</p>
<p>
<em class="parameter"><code>p</code></em> does not have to be at the beginning of a UTF-8 character. No check
is made to see if the character found is actually valid other than
it starts with an appropriate byte.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>a pointer to a position within a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>end</code></em> :</span></p></td>
<td>a pointer to the byte following the end of the string,
or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to indicate that the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to the found character or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_find_prev_char ()">
<a name="g-utf8-find-prev-char"></a><h3>g_utf8_find_prev_char ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_find_prev_char               (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>);</pre>
<p>
Given a position <em class="parameter"><code>p</code></em> with a UTF-8 encoded string <em class="parameter"><code>str</code></em>, find the start
of the previous UTF-8 character starting before <em class="parameter"><code>p</code></em>. Returns <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if no
UTF-8 characters are present in <em class="parameter"><code>str</code></em> before <em class="parameter"><code>p</code></em>.
</p>
<p>
<em class="parameter"><code>p</code></em> does not have to be at the beginning of a UTF-8 character. No check
is made to see if the character found is actually valid other than
it starts with an appropriate byte.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>pointer to the beginning of a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>pointer to some position within <em class="parameter"><code>str</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to the found character or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strlen ()">
<a name="g-utf8-strlen"></a><h3>g_utf8_strlen ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="returnvalue">glong</span></a>               g_utf8_strlen                       (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> max</code></em>);</pre>
<p>
Computes the length of the string in characters, not including
the terminating nul character.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>pointer to the start of a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max</code></em> :</span></p></td>
<td>the maximum number of bytes to examine. If <em class="parameter"><code>max</code></em>
      is less than 0, then the string is assumed to be
      nul-terminated. If <em class="parameter"><code>max</code></em> is 0, <em class="parameter"><code>p</code></em> will not be examined and
      may be <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the length of the string in characters
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strncpy ()">
<a name="g-utf8-strncpy"></a><h3>g_utf8_strncpy ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_strncpy                      (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *dest</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *src</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gsize" title="gsize"><span class="type">gsize</span></a> n</code></em>);</pre>
<p>
Like the standard C <code class="function">strncpy()</code> function, but 
copies a given number of characters instead of a given number of 
bytes. The <em class="parameter"><code>src</code></em> string must be valid UTF-8 encoded text. 
(Use <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-validate" title="g_utf8_validate ()"><code class="function">g_utf8_validate()</code></a> on all text before trying to use UTF-8 
utility functions with it.)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest</code></em> :</span></p></td>
<td>buffer to fill with characters from <em class="parameter"><code>src</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td>UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em> :</span></p></td>
<td>character count
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <em class="parameter"><code>dest</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strchr ()">
<a name="g-utf8-strchr"></a><h3>g_utf8_strchr ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_strchr                       (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Finds the leftmost occurrence of the given Unicode character
in a UTF-8 encoded string, while limiting the search to <em class="parameter"><code>len</code></em> bytes.
If <em class="parameter"><code>len</code></em> is -1, allow unbounded search.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>a nul-terminated UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length of <em class="parameter"><code>p</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if the string does not contain the character, 
  otherwise, a pointer to the start of the leftmost occurrence of 
  the character in the string.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strrchr ()">
<a name="g-utf8-strrchr"></a><h3>g_utf8_strrchr ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_strrchr                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *p</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>);</pre>
<p>
Find the rightmost occurrence of the given Unicode character
in a UTF-8 encoded string, while limiting the search to <em class="parameter"><code>len</code></em> bytes.
If <em class="parameter"><code>len</code></em> is -1, allow unbounded search.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
<td>a nul-terminated UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length of <em class="parameter"><code>p</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if the string does not contain the character, 
  otherwise, a pointer to the start of the rightmost occurrence of the 
  character in the string.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strreverse ()">
<a name="g-utf8-strreverse"></a><h3>g_utf8_strreverse ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf8_strreverse                   (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);</pre>
<p>
Reverses a UTF-8 string. <em class="parameter"><code>str</code></em> must be valid UTF-8 encoded text. 
(Use <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-validate" title="g_utf8_validate ()"><code class="function">g_utf8_validate()</code></a> on all text before trying to use UTF-8 
utility functions with it.)
</p>
<p>
This function is intended for programmatic uses of reversed strings.
It pays no attention to decomposed characters, combining marks, byte 
order marks, directional indicators (LRM, LRO, etc) and similar 
characters which might need special handling when reversing a string 
for display purposes.
</p>
<p>
Note that unlike <a class="link" href="glib-String-Utility-Functions.html#g-strreverse" title="g_strreverse ()"><code class="function">g_strreverse()</code></a>, this function returns
newly-allocated memory, which should be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a> when
no longer needed.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length of <em class="parameter"><code>str</code></em> to use, in bytes. If <em class="parameter"><code>len</code></em> &lt; 0,
      then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly-allocated string which is the reverse of <em class="parameter"><code>str</code></em>.

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2" title="g_utf8_validate ()">
<a name="g-utf8-validate"></a><h3>g_utf8_validate ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_utf8_validate                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> max_len</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> **end</code></em>);</pre>
<p>
Validates UTF-8 encoded text. <em class="parameter"><code>str</code></em> is the text to validate;
if <em class="parameter"><code>str</code></em> is nul-terminated, then <em class="parameter"><code>max_len</code></em> can be -1, otherwise
<em class="parameter"><code>max_len</code></em> should be the number of bytes to validate.
If <em class="parameter"><code>end</code></em> is non-<a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, then the end of the valid range
will be stored there (i.e. the start of the first invalid 
character if some bytes were invalid, or the end of the text 
being validated otherwise).
</p>
<p>
Note that <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-validate" title="g_utf8_validate ()"><code class="function">g_utf8_validate()</code></a> returns <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS" title="FALSE"><code class="literal">FALSE</code></a> if <em class="parameter"><code>max_len</code></em> is 
positive and NUL is met before <em class="parameter"><code>max_len</code></em> bytes have been read.
</p>
<p>
Returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if all of <em class="parameter"><code>str</code></em> was valid. Many GLib and GTK+
routines <span class="emphasis"><em>require</em></span> valid UTF-8 as input;
so data read from a file or the network should be checked
with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-validate" title="g_utf8_validate ()"><code class="function">g_utf8_validate()</code></a> before doing anything else with it.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a pointer to character data
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max_len</code></em> :</span></p></td>
<td>max bytes to validate, or -1 to go until NUL
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>end</code></em> :</span></p></td>
<td>return location for end of valid data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the text was valid UTF-8
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strup ()">
<a name="g-utf8-strup"></a><h3>g_utf8_strup ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             g_utf8_strup                        (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);</pre>
<p>
Converts all Unicode characters in the string that have a case
to uppercase. The exact manner that this is done depends
on the current locale, and may result in the number of
characters in the string increasing. (For instance, the
German ess-zet will be changed to SS.)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>str</code></em>, in bytes, or -1 if <em class="parameter"><code>str</code></em> is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string, with all characters
   converted to uppercase.  
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_strdown ()">
<a name="g-utf8-strdown"></a><h3>g_utf8_strdown ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             g_utf8_strdown                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);</pre>
<p>
Converts all Unicode characters in the string that have a case
to lowercase. The exact manner that this is done depends
on the current locale, and may result in the number of
characters in the string changing.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>str</code></em>, in bytes, or -1 if <em class="parameter"><code>str</code></em> is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string, with all characters
   converted to lowercase.  
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_casefold ()">
<a name="g-utf8-casefold"></a><h3>g_utf8_casefold ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             g_utf8_casefold                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);</pre>
<p>
Converts a string into a form that is independent of case. The
result will not correspond to any particular case, but can be
compared for equality or ordered with the results of calling
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-casefold" title="g_utf8_casefold ()"><code class="function">g_utf8_casefold()</code></a> on other strings.
</p>
<p>
Note that calling <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-casefold" title="g_utf8_casefold ()"><code class="function">g_utf8_casefold()</code></a> followed by <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-collate" title="g_utf8_collate ()"><code class="function">g_utf8_collate()</code></a> is
only an approximation to the correct linguistic case insensitive
ordering, though it is a fairly good one. Getting this exactly
right would require a more sophisticated collation function that
takes case sensitivity into account. GLib does not currently
provide such a function.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>str</code></em>, in bytes, or -1 if <em class="parameter"><code>str</code></em> is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string, that is a
  case independent form of <em class="parameter"><code>str</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_normalize ()">
<a name="g-utf8-normalize"></a><h3>g_utf8_normalize ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             g_utf8_normalize                    (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#GNormalizeMode" title="enum GNormalizeMode"><span class="type">GNormalizeMode</span></a> mode</code></em>);</pre>
<p>
Converts a string into canonical form, standardizing
such issues as whether a character with an accent
is represented as a base character and combining
accent or as a single precomposed character. The
string has to be valid UTF-8, otherwise <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is
returned. You should generally call <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-normalize" title="g_utf8_normalize ()"><code class="function">g_utf8_normalize()</code></a>
before comparing two Unicode strings.
</p>
<p>
The normalization mode <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT:CAPS"><code class="literal">G_NORMALIZE_DEFAULT</code></a> only
standardizes differences that do not affect the
text content, such as the above-mentioned accent
representation. <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-ALL:CAPS"><code class="literal">G_NORMALIZE_ALL</code></a> also standardizes
the "compatibility" characters in Unicode, such
as SUPERSCRIPT THREE to the standard forms
(in this case DIGIT THREE). Formatting information
may be lost but for most text operations such
characters should be considered the same.
</p>
<p>
<a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT-COMPOSE:CAPS"><code class="literal">G_NORMALIZE_DEFAULT_COMPOSE</code></a> and <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-ALL-COMPOSE:CAPS"><code class="literal">G_NORMALIZE_ALL_COMPOSE</code></a>
are like <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT:CAPS"><code class="literal">G_NORMALIZE_DEFAULT</code></a> and <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-ALL:CAPS"><code class="literal">G_NORMALIZE_ALL</code></a>,
but returned a result with composed forms rather
than a maximally decomposed form. This is often
useful if you intend to convert the string to
a legacy encoding or pass it to a system with
less capable Unicode handling.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>str</code></em>, in bytes, or -1 if <em class="parameter"><code>str</code></em> is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mode</code></em> :</span></p></td>
<td>the type of normalization to perform.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string, that is the
  normalized form of <em class="parameter"><code>str</code></em>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if <em class="parameter"><code>str</code></em> is not
  valid UTF-8.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum GNormalizeMode">
<a name="GNormalizeMode"></a><h3>enum GNormalizeMode</h3>
<pre class="programlisting">typedef enum {
  G_NORMALIZE_DEFAULT,
  G_NORMALIZE_NFD = G_NORMALIZE_DEFAULT,
  G_NORMALIZE_DEFAULT_COMPOSE,
  G_NORMALIZE_NFC = G_NORMALIZE_DEFAULT_COMPOSE,
  G_NORMALIZE_ALL,
  G_NORMALIZE_NFKD = G_NORMALIZE_ALL,
  G_NORMALIZE_ALL_COMPOSE,
  G_NORMALIZE_NFKC = G_NORMALIZE_ALL_COMPOSE
} GNormalizeMode;
</pre>
<p>
Defines how a Unicode string is transformed in a canonical
form, standardizing such issues as whether a character with an accent is
represented as a base character and combining accent or as a single precomposed
character. Unicode strings should generally be normalized before comparing them.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="G-NORMALIZE-DEFAULT:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_DEFAULT</code></span></p></td>
<td>standardize differences that do not affect the
  text content, such as the above-mentioned accent representation.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-NFD:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_NFD</code></span></p></td>
<td>another name for <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT:CAPS"><code class="literal">G_NORMALIZE_DEFAULT</code></a>.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-DEFAULT-COMPOSE:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_DEFAULT_COMPOSE</code></span></p></td>
<td>like <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT:CAPS"><code class="literal">G_NORMALIZE_DEFAULT</code></a>, but with composed
  forms rather than a maximally decomposed form.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-NFC:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_NFC</code></span></p></td>
<td>another name for <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT-COMPOSE:CAPS"><code class="literal">G_NORMALIZE_DEFAULT_COMPOSE</code></a>.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-ALL:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_ALL</code></span></p></td>
<td>beyond <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-DEFAULT:CAPS"><code class="literal">G_NORMALIZE_DEFAULT</code></a> also standardize the 
  "compatibility" characters in Unicode, such as SUPERSCRIPT THREE to the
  standard forms (in this case DIGIT THREE). Formatting information may be
  lost but for most text operations such characters should be considered the
  same.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-NFKD:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_NFKD</code></span></p></td>
<td>another name for <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-ALL:CAPS"><code class="literal">G_NORMALIZE_ALL</code></a>.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-ALL-COMPOSE:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_ALL_COMPOSE</code></span></p></td>
<td>like <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-ALL:CAPS"><code class="literal">G_NORMALIZE_ALL</code></a>, but with composed
  forms rather than a maximally decomposed form.
</td>
</tr>
<tr>
<td><p><a name="G-NORMALIZE-NFKC:CAPS"></a><span class="term"><code class="literal">G_NORMALIZE_NFKC</code></span></p></td>
<td>another name for <a class="link" href="glib-Unicode-Manipulation.html#G-NORMALIZE-ALL-COMPOSE:CAPS"><code class="literal">G_NORMALIZE_ALL_COMPOSE</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_collate ()">
<a name="g-utf8-collate"></a><h3>g_utf8_collate ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_utf8_collate                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str1</code></em>,
                                                         <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str2</code></em>);</pre>
<p>
Compares two strings for ordering using the linguistically
correct rules for the <a class="link" href="glib-running.html#setlocale" title="Locale">current locale</a>. 
When sorting a large number of strings, it will be significantly 
faster to obtain collation keys with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-collate-key" title="g_utf8_collate_key ()"><code class="function">g_utf8_collate_key()</code></a> and 
compare the keys with <code class="function">strcmp()</code> when sorting instead of sorting 
the original strings.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str1</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>str2</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> &lt; 0 if <em class="parameter"><code>str1</code></em> compares before <em class="parameter"><code>str2</code></em>, 
  0 if they compare equal, &gt; 0 if <em class="parameter"><code>str1</code></em> compares after <em class="parameter"><code>str2</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_collate_key ()">
<a name="g-utf8-collate-key"></a><h3>g_utf8_collate_key ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             g_utf8_collate_key                  (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);</pre>
<p>
Converts a string into a collation key that can be compared
with other collation keys produced by the same function using 
<code class="function">strcmp()</code>. 
</p>
<p>
The results of comparing the collation keys of two strings 
with <code class="function">strcmp()</code> will always be the same as comparing the two 
original keys with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-collate" title="g_utf8_collate ()"><code class="function">g_utf8_collate()</code></a>.
</p>
<p>
Note that this function depends on the 
<a class="link" href="glib-running.html#setlocale" title="Locale">current locale</a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>str</code></em>, in bytes, or -1 if <em class="parameter"><code>str</code></em> is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string. This string should
  be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a> when you are done with it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_collate_key_for_filename ()">
<a name="g-utf8-collate-key-for-filename"></a><h3>g_utf8_collate_key_for_filename ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a> *             g_utf8_collate_key_for_filename     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gssize" title="gssize"><span class="type">gssize</span></a> len</code></em>);</pre>
<p>
Converts a string into a collation key that can be compared
with other collation keys produced by the same function using <code class="function">strcmp()</code>. 
</p>
<p>
In order to sort filenames correctly, this function treats the dot '.' 
as a special case. Most dictionary orderings seem to consider it
insignificant, thus producing the ordering "event.c" "eventgenerator.c"
"event.h" instead of "event.c" "event.h" "eventgenerator.c". Also, we
would like to treat numbers intelligently so that "file1" "file10" "file5"
is sorted as "file1" "file5" "file10".
</p>
<p>
Note that this function depends on the 
<a class="link" href="glib-running.html#setlocale" title="Locale">current locale</a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>str</code></em>, in bytes, or -1 if <em class="parameter"><code>str</code></em> is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated string. This string should
  be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a> when you are done with it.

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.8</p>
</div>
<hr>
<div class="refsect2" title="g_utf8_to_utf16 ()">
<a name="g-utf8-to-utf16"></a><h3>g_utf8_to_utf16 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="returnvalue">gunichar2</span></a> *         g_utf8_to_utf16                     (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Convert a string from UTF-8 to UTF-16. A 0 character will be
added to the result after the converted text.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length (number of bytes) of <em class="parameter"><code>str</code></em> to use.
      If <em class="parameter"><code>len</code></em> &lt; 0, then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_read</code></em> :</span></p></td>
<td>location to store number of bytes read, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
             If <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, then <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-PARTIAL-INPUT:CAPS"><code class="literal">G_CONVERT_ERROR_PARTIAL_INPUT</code></a> will be
             returned in case <em class="parameter"><code>str</code></em> contains a trailing partial
             character. If an error occurs then the index of the
             invalid input is stored here.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store number of <span class="type">gunichar2</span> written,
                or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
                The value stored here does not include the trailing 0.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>location to store the error occuring, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to ignore
        errors. Any of the errors in <a class="link" href="glib-Character-Set-Conversion.html#GConvertError" title="enum GConvertError"><span class="type">GConvertError</span></a> other than
        <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-NO-CONVERSION:CAPS"><code class="literal">G_CONVERT_ERROR_NO_CONVERSION</code></a> may occur.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UTF-16 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>. If an
              error occurs, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> will be returned and
              <em class="parameter"><code>error</code></em> set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_to_ucs4 ()">
<a name="g-utf8-to-ucs4"></a><h3>g_utf8_to_ucs4 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          g_utf8_to_ucs4                      (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Convert a string from UTF-8 to a 32-bit fixed width
representation as UCS-4. A trailing 0 will be added to the
string after the converted text.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length of <em class="parameter"><code>str</code></em> to use, in bytes. If <em class="parameter"><code>len</code></em> &lt; 0,
      then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_read</code></em> :</span></p></td>
<td>location to store number of bytes read, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
             If <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, then <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-PARTIAL-INPUT:CAPS"><code class="literal">G_CONVERT_ERROR_PARTIAL_INPUT</code></a> will be
             returned in case <em class="parameter"><code>str</code></em> contains a trailing partial
             character. If an error occurs then the index of the
             invalid input is stored here.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store number of characters written or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
                The value here stored does not include the trailing 0
                character. 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>location to store the error occuring, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to ignore
        errors. Any of the errors in <a class="link" href="glib-Character-Set-Conversion.html#GConvertError" title="enum GConvertError"><span class="type">GConvertError</span></a> other than
        <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-NO-CONVERSION:CAPS"><code class="literal">G_CONVERT_ERROR_NO_CONVERSION</code></a> may occur.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UCS-4 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>. If an
              error occurs, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> will be returned and
              <em class="parameter"><code>error</code></em> set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf8_to_ucs4_fast ()">
<a name="g-utf8-to-ucs4-fast"></a><h3>g_utf8_to_ucs4_fast ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          g_utf8_to_ucs4_fast                 (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>);</pre>
<p>
Convert a string from UTF-8 to a 32-bit fixed width
representation as UCS-4, assuming valid UTF-8 input.
This function is roughly twice as fast as <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-to-ucs4" title="g_utf8_to_ucs4 ()"><code class="function">g_utf8_to_ucs4()</code></a>
but does no error checking on the input.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-8 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length of <em class="parameter"><code>str</code></em> to use, in bytes. If <em class="parameter"><code>len</code></em> &lt; 0,
      then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store the number of characters in the
                result, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UCS-4 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf16_to_ucs4 ()">
<a name="g-utf16-to-ucs4"></a><h3>g_utf16_to_ucs4 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="returnvalue">gunichar</span></a> *          g_utf16_to_ucs4                     (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="type">gunichar2</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Convert a string from UTF-16 to UCS-4. The result will be
nul-terminated.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-16 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length (number of <span class="type">gunichar2</span>) of <em class="parameter"><code>str</code></em> to use. 
      If <em class="parameter"><code>len</code></em> &lt; 0, then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_read</code></em> :</span></p></td>
<td>location to store number of words read, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
             If <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, then <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-PARTIAL-INPUT:CAPS"><code class="literal">G_CONVERT_ERROR_PARTIAL_INPUT</code></a> will be
             returned in case <em class="parameter"><code>str</code></em> contains a trailing partial
             character. If an error occurs then the index of the
             invalid input is stored here.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store number of characters written, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
                The value stored here does not include the trailing
                0 character.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>location to store the error occuring, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to ignore
        errors. Any of the errors in <a class="link" href="glib-Character-Set-Conversion.html#GConvertError" title="enum GConvertError"><span class="type">GConvertError</span></a> other than
        <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-NO-CONVERSION:CAPS"><code class="literal">G_CONVERT_ERROR_NO_CONVERSION</code></a> may occur.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UCS-4 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>. If an
              error occurs, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> will be returned and
              <em class="parameter"><code>error</code></em> set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_utf16_to_utf8 ()">
<a name="g-utf16-to-utf8"></a><h3>g_utf16_to_utf8 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_utf16_to_utf8                     (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="type">gunichar2</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Convert a string from UTF-16 to UTF-8. The result will be
terminated with a 0 byte.
</p>
<p>
Note that the input is expected to be already in native endianness,
an initial byte-order-mark character is not handled specially.
<a class="link" href="glib-Character-Set-Conversion.html#g-convert" title="g_convert ()"><code class="function">g_convert()</code></a> can be used to convert a byte buffer of UTF-16 data of
ambiguous endianess.
</p>
<p>
Further note that this function does not validate the result
string; it may e.g. include embedded NUL characters. The only
validation done by this function is to ensure that the input can
be correctly interpreted as UTF-16, i.e. it doesn't contain
things unpaired surrogates.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UTF-16 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length (number of <span class="type">gunichar2</span>) of <em class="parameter"><code>str</code></em> to use. 
      If <em class="parameter"><code>len</code></em> &lt; 0, then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_read</code></em> :</span></p></td>
<td>location to store number of words read, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
             If <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, then <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-PARTIAL-INPUT:CAPS"><code class="literal">G_CONVERT_ERROR_PARTIAL_INPUT</code></a> will be
             returned in case <em class="parameter"><code>str</code></em> contains a trailing partial
             character. If an error occurs then the index of the
             invalid input is stored here.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store number of bytes written, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
                The value stored here does not include the trailing
                0 byte.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>location to store the error occuring, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to ignore
        errors. Any of the errors in <a class="link" href="glib-Character-Set-Conversion.html#GConvertError" title="enum GConvertError"><span class="type">GConvertError</span></a> other than
        <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-NO-CONVERSION:CAPS"><code class="literal">G_CONVERT_ERROR_NO_CONVERSION</code></a> may occur.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UTF-8 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>. If an
              error occurs, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> will be returned and
              <em class="parameter"><code>error</code></em> set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_ucs4_to_utf16 ()">
<a name="g-ucs4-to-utf16"></a><h3>g_ucs4_to_utf16 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Unicode-Manipulation.html#gunichar2" title="gunichar2"><span class="returnvalue">gunichar2</span></a> *         g_ucs4_to_utf16                     (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Convert a string from UCS-4 to UTF-16. A 0 character will be
added to the result after the converted text.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UCS-4 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length (number of characters) of <em class="parameter"><code>str</code></em> to use. 
      If <em class="parameter"><code>len</code></em> &lt; 0, then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_read</code></em> :</span></p></td>
<td>location to store number of bytes read, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
             If an error occurs then the index of the invalid input
             is stored here.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store number of <span class="type">gunichar2</span> 
                written, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>. The value stored here does not 
                include the trailing 0.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>location to store the error occuring, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to ignore
        errors. Any of the errors in <a class="link" href="glib-Character-Set-Conversion.html#GConvertError" title="enum GConvertError"><span class="type">GConvertError</span></a> other than
        <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-NO-CONVERSION:CAPS"><code class="literal">G_CONVERT_ERROR_NO_CONVERSION</code></a> may occur.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UTF-16 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>. If an
              error occurs, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> will be returned and
              <em class="parameter"><code>error</code></em> set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_ucs4_to_utf8 ()">
<a name="g-ucs4-to-utf8"></a><h3>g_ucs4_to_utf8 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="returnvalue">gchar</span></a>*              g_ucs4_to_utf8                      (<em class="parameter"><code>const <a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> len</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_read</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#glong" title="glong"><span class="type">glong</span></a> *items_written</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Error-Reporting.html#GError" title="GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Convert a string from a 32-bit fixed width representation as UCS-4.
to UTF-8. The result will be terminated with a 0 byte.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>a UCS-4 encoded string
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the maximum length (number of characters) of <em class="parameter"><code>str</code></em> to use. 
      If <em class="parameter"><code>len</code></em> &lt; 0, then the string is nul-terminated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_read</code></em> :</span></p></td>
<td>location to store number of characters read, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_written</code></em> :</span></p></td>
<td>location to store number of bytes written or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>.
                The value here stored does not include the trailing 0
                byte. 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>location to store the error occuring, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to ignore
        errors. Any of the errors in <a class="link" href="glib-Character-Set-Conversion.html#GConvertError" title="enum GConvertError"><span class="type">GConvertError</span></a> other than
        <a class="link" href="glib-Character-Set-Conversion.html#G-CONVERT-ERROR-NO-CONVERSION:CAPS"><code class="literal">G_CONVERT_ERROR_NO_CONVERSION</code></a> may occur.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a pointer to a newly allocated UTF-8 string.
              This value must be freed with <a class="link" href="glib-Memory-Allocation.html#g-free" title="g_free ()"><code class="function">g_free()</code></a>. If an
              error occurs, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> will be returned and
              <em class="parameter"><code>error</code></em> set. In that case, <em class="parameter"><code>items_read</code></em> will be
              set to the position of the first invalid input 
              character.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_unichar_to_utf8 ()">
<a name="g-unichar-to-utf8"></a><h3>g_unichar_to_utf8 ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_unichar_to_utf8                   (<em class="parameter"><code><a class="link" href="glib-Unicode-Manipulation.html#gunichar" title="gunichar"><span class="type">gunichar</span></a> c</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *outbuf</code></em>);</pre>
<p>
Converts a single character to UTF-8.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
<td>a Unicode character code
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>outbuf</code></em> :</span></p></td>
<td>output buffer, must have at least 6 bytes of space.
      If <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, the length will be computed and returned
      and nothing will be written to <em class="parameter"><code>outbuf</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> number of bytes written
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" title="See Also">
<a name="glib-Unicode-Manipulation.see-also"></a><h2>See Also</h2>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><a class="link" href="glib-Character-Set-Conversion.html#g-locale-to-utf8" title="g_locale_to_utf8 ()"><code class="function">g_locale_to_utf8()</code></a>, <a class="link" href="glib-Character-Set-Conversion.html#g-locale-from-utf8" title="g_locale_from_utf8 ()"><code class="function">g_locale_from_utf8()</code></a></span></p></td>
<td><p>
Convenience functions for converting between UTF-8 and the locale encoding.
</p></td>
</tr></tbody>
</table></div>
<p>
</p>
</div>
<div class="footnotes">
<br><hr width="100" align="left">
<div class="footnote"><em class="firstterm"><sup>[<a name="ftn.utf16_surrogate_pairs" href="#utf16_surrogate_pairs" class="firstterm">3</a>] </sup>surrogate pairs</em></div>
</div>
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